Osi Systems Inc SEC filings OSIS
Osi Systems Inc has 1,000 filings in SEC EDGAR's recent list, going back to Sep 3, 2015. Its latest annual report, Form ARS, was filed on Oct 26, 2026 for the period ended Jun 30, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on June 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 27, 2026 | — |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 22, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2026 | — |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 24, 2026 | Apr 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 144 | Notice of proposed sale | Feb 2, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2026 | — |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 13, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 2, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 22, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 12, 2025 | — |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| 4 | Insider transaction | Nov 7, 2025 | Nov 7, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 7, 2025 |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 4 | Insider transaction | Nov 6, 2025 | Nov 4, 2025 |
| 4 | Insider transaction | Oct 14, 2025 | Oct 10, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 4 | Insider transaction | Sep 22, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 12, 2025 |
| 144 | Notice of proposed sale | Sep 12, 2025 | — |
| 4 | Insider transaction | Sep 5, 2025 | Sep 4, 2025 |
| 144 | Notice of proposed sale | Sep 4, 2025 | — |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 22, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 14, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 28, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 28, 2025 |
| 3 | Initial insider ownership | Jul 23, 2025 | Jul 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 18, 2025 | — |
| 4 | Insider transaction | Jul 18, 2025 | Jul 9, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 6, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 144 | Notice of proposed sale | Jun 12, 2025 | — |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 144 | Notice of proposed sale | May 21, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 144 | Notice of proposed sale | May 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 144 | Notice of proposed sale | May 8, 2025 | — |
| 4 | Insider transaction | May 7, 2025 | May 6, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 144 | Notice of proposed sale | May 5, 2025 | — |
| 4 | Insider transaction | May 2, 2025 | Apr 23, 2025 |
| 3 | Initial insider ownership | Feb 26, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 19, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 4 | Insider transaction | Jan 31, 2025 | Jan 30, 2025 |
| 144 | Notice of proposed sale | Jan 30, 2025 | — |
| 4 | Insider transaction | Jan 27, 2025 | Jan 27, 2025 |
| 144 | Notice of proposed sale | Jan 27, 2025 | — |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 13, 2024 |
| 144 | Notice of proposed sale | Dec 13, 2024 | — |
| 144 | Notice of proposed sale | Dec 13, 2024 | — |
| 144 | Notice of proposed sale | Dec 12, 2024 | — |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 144 | Notice of proposed sale | Dec 12, 2024 | — |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 144 | Notice of proposed sale | Dec 10, 2024 | — |
| 144 | Notice of proposed sale | Dec 10, 2024 | — |
| 4 | Insider transaction | Dec 6, 2024 | Dec 4, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 4, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 4, 2024 |
| 144 | Notice of proposed sale | Dec 4, 2024 | — |
| 4 | Insider transaction | Nov 25, 2024 | Nov 22, 2024 |
| 4 | Insider transaction | Nov 15, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 15, 2024 | Nov 13, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 4 | Insider transaction | Nov 13, 2024 | Nov 11, 2024 |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 4 | Insider transaction | Nov 12, 2024 | Nov 7, 2024 |
| 144 | Notice of proposed sale | Nov 7, 2024 | — |
| 4 | Insider transaction | Nov 1, 2024 | Oct 30, 2024 |
| 4 | Insider transaction | Oct 29, 2024 | Jul 28, 2024 |
| 4 | Insider transaction | Oct 8, 2024 | May 21, 2024 |
| 4 | Insider transaction | Sep 17, 2024 | Sep 16, 2024 |
| 144 | Notice of proposed sale | Sep 16, 2024 | — |
| 4 | Insider transaction | Sep 13, 2024 | Sep 13, 2024 |
| 4 | Insider transaction | Sep 13, 2024 | Sep 11, 2024 |
| 144 | Notice of proposed sale | Sep 13, 2024 | — |
| 144 | Notice of proposed sale | Sep 11, 2024 | — |
| 4 | Insider transaction | Aug 30, 2024 | Aug 30, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- OSIS (Nasdaq)
- Fiscal year ends
- June 30
- Incorporated in
- DE
- Headquarters
- Hawthorne, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1039065
- Former names
- OSI SYSTEMS INC (until Nov 5, 2026)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.